Add locale management middleware: Introduced SetLocale middleware to handle language settings based on user session and available languages. Updated app bootstrap to include the middleware, ensuring proper localization support throughout the application. Enhanced language selector component for improved user experience.

app/Http/Middleware/SetLocale.php

@@ -0,0 +1,52 @@
+<?php
+
+namespace App\Http\Middleware;
+
+use Closure;
+use Illuminate\Http\Request;
+use Illuminate\Support\Facades\App;
+use Symfony\Component\HttpFoundation\Response;
+
+class SetLocale
+{
+    /**
+     * Handle an incoming request.
+     *
+     * @param  \Closure(\Illuminate\Http\Request): (\Symfony\Component\HttpFoundation\Response)  $next
+     */
+    public function handle(Request $request, Closure $next): Response
+    {
+        // Session'dan locale'i al, yoksa varsayılan dil kodunu kullan
+        $locale = session('locale');
+        
+        // Eğer session'da locale yoksa, varsayılan dil kodunu kullan
+        if (!$locale) {
+            if (function_exists('default_language_code')) {
+                $locale = default_language_code();
+            } else {
+                $locale = config('app.locale');
+            }
+        }
+        
+        // Aktif dilleri veritabanından kontrol et
+        if (function_exists('available_language_codes')) {
+            $availableLocales = available_language_codes();
+        } else {
+            $availableLocales = ['tr', 'en'];
+        }
+        
+        // Locale'i aktif diller arasında kontrol et
+        if (in_array($locale, $availableLocales)) {
+            App::setLocale($locale);
+        } else {
+            // Geçersiz locale ise varsayılan locale'e dön
+            if (function_exists('default_language_code')) {
+                App::setLocale(default_language_code());
+            } else {
+                App::setLocale(config('app.locale'));
+            }
+        }
+
+        return $next($request);
+    }
+}